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Posted to commits@dolphinscheduler.apache.org by GitBox <gi...@apache.org> on 2020/11/30 08:03:34 UTC
[GitHub] [incubator-dolphinscheduler] chengpeng2015 opened a new issue #4125: [Bug][worker]command body parseObject error
chengpeng2015 opened a new issue #4125:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4125
code:
class: DBTaskResponseProcessor
method: process
line: JSONUtils.parseObject(command.getBody(),DBTaskResponseCommand.class);
runing data: {"taskInstanceId":8,"status":7}
error details:
com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `org.apache.dolphinscheduler.remote.command.DBTaskResponseCommand` (no Creators, like default construct, exist): cannot deserialize from Object value (no delegate- or property-based Creator)
at [Source: (String)"{"taskInstanceId":6,"status":7}"; line: 1, column: 2]
at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:67) ~[jackson-databind-2.9.8.jar:2.9.8]
at com.fasterxml.jackson.databind.DeserializationContext.reportBadDefinition(DeserializationContext.java:1452) ~[jackson-databind-2.9.8.jar:2.9.8]
at com.fasterxml.jackson.databind.DeserializationContext.handleMissingInstantiator(DeserializationContext.java:1028) ~[jackson-databind-2.9.8.jar:2.9.8]
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1297) ~[jackson-databind-2.9.8.jar:2.9.8]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:326) ~[jackson-databind-2.9.8.jar:2.9.8]
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:159) ~[jackson-databind-2.9.8.jar:2.9.8]
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4013) ~[jackson-databind-2.9.8.jar:2.9.8]
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3004) ~[jackson-databind-2.9.8.jar:2.9.8]
at org.apache.dolphinscheduler.common.utils.JSONUtils.parseObject(JSONUtils.java:124) [classes/:na]
at org.apache.dolphinscheduler.common.utils.JSONUtils.parseObject(JSONUtils.java:144) [classes/:na]
at org.apache.dolphinscheduler.server.worker.processor.DBTaskResponseProcessor.process(DBTaskResponseProcessor.java:45) [classes/:na]
at org.apache.dolphinscheduler.remote.handler.NettyServerHandler$1.run(NettyServerHandler.java:128) [classes/:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_151]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_151]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]
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[GitHub] [incubator-dolphinscheduler] chengpeng2015 commented on issue #4125: [Bug][worker]command body parseObject error
Posted by GitBox <gi...@apache.org>.
chengpeng2015 commented on issue #4125:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4125#issuecomment-735661593
【DBTaskAckCommand DBTaskResponseCommand】 These two classes have no constructor, which causes JSON parsing to fail
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[GitHub] [incubator-dolphinscheduler] chengpeng2015 commented on issue #4125: [Bug][worker]command body parseObject error
Posted by GitBox <gi...@apache.org>.
chengpeng2015 commented on issue #4125:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4125#issuecomment-735664476
![Uploading 1606728250(1).jpg…]()
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[GitHub] [incubator-dolphinscheduler] dailidong closed issue #4125: [Bug][worker]command body parseObject error
Posted by GitBox <gi...@apache.org>.
dailidong closed issue #4125:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4125
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[GitHub] [incubator-dolphinscheduler] xingchun-chen commented on issue #4125: [Bug][worker]command body parseObject error
Posted by GitBox <gi...@apache.org>.
xingchun-chen commented on issue #4125:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4125#issuecomment-735654264
Can you describe how this problem occurred
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[GitHub] [incubator-dolphinscheduler] chengpeng2015 commented on issue #4125: [Bug][worker]command body parseObject error
Posted by GitBox <gi...@apache.org>.
chengpeng2015 commented on issue #4125:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4125#issuecomment-735660661
runing task!
You can try this line of code：JSONUtils.parseObject("{\"taskInstanceId\":6,\"status\":7}", DBTaskAckCommand.class)
This line of code appears：DBTaskResponseProcessor.process JSONUtils.parseObject(command.getBody(),DBTaskResponseCommand.class);
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